New filtration process cuts contaminants from offshore produced water

Syed A. Ali, Larry R. Henry Chevron U.S.A. Production Co. New Orleans Jerald W. Darlington Cetco Chicago John Occapinti Cetco Lafayette, La. The 6 ft x 8 ft skid quick-change, produced-water polishing units take up a relatively small space on the platform (Fig. 2). Laboratory and field tests demonstrate that a two-part filtration process can effectively reduce oil and grease content in offshore-discharged produced water. The first part of the process is the patented Crudesorb technology and the second part is a proprietary patented polymeric resin. Crudesorb removes dispersed oil and grease droplets from the produced water, and thereby protects the resin from ...

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